DESCRIPTION
L9823 is a Octal Low-Side Driver Circuit, dedicated for automotive applications. Output voltage clamping is provided for flyback current recirculation, when inductive loads are driven. Chip Select and cascadable Serial 8-bit Interface for outputs control and diagnostic data transfer.
■ OUTPUTS CURRENT CAPABILITY UP TO 0.5A
■ CASCADABLE SPI CONTROL FOR OUTPUTS
■ RESET FUNCTION WITH RESET SIGNAL OR UNDERVOLTAGE AT VDD
■ PROGRAMMABLE INTRINSIC OUTPUT VOLTAGE CLAMPING AT TYP. 50V FOR INDUCTIVE SWITCHING
■ OVERCURRENT SHUTDOWN WITH LATCH OFF FOR EVERY WRITE CYCLE (SFPD = LOW)
■ INDEPENDENT THERMAL SHUTDOWN OF OUTPUTS (SOA PROTECTION)
■ OUTPUT STATUS DATA AVAILABLE ON THE SPI USING 8-BIT I/O PROTOCOL UP TO 3.0MHZ
■ LOW STANDBY CURRENT WITH RESET = LOW (TYP 35µA @ VDD)
■ OPEN LOAD DETECTION (OUTPUTS OFF)
■ SINGLE VDD LOGIC SUPPLY
■ HIGH EMS IMMUNITY AND LOW EME (CONTROLLED OUTPUT SLOPES)
■ FULL FUNCTIONALITY OF THE REMAINING DEVICE AT NEGATIVE VOLTAGE DROP ON OUTPUTS (-1,5V OR -3,0A)
■ OUTPUT MODE PROGRAMMABLE FOR SUSTAINED CURRENT LIMIT OR SHUTDOWN